The article analyzes the evolution of the international regulation of human rights by migrants with special attention to the adoption of general observations 22 and 23 on the rights of the child within the framework of international migration of the Committee on the Rights of the Child drafted together to the Committee on the rights of migrant workers and their families. Since 2013, the number of children, especially foreign unaccompanied children who have reached the territory of the European Union, has increased exponentially. The European legislator, involved in an unprecedented migration crisis, has made an important effort to adapt its regulations to the obligations established by the International Law of Human Rights; however, incompatible and chiaroscuro approaches remain in regulation.